Each year, there are two to three million children who die of a vaccine-preventable disease and there are 19.4 million who are unable to receive basic immunisation. One of the main reasons behind these figures is that the carrier boxes currently used to carry vaccines during the last miles of the delivery journey are incapable of sustaining the vaccines at the required temperature range for the entire duration of the journey. This is an urgent global health issue and Ideabatic is developing a solution called SMILE— a smart last-mile cooling and delivery system to address these problems.